/*
* Copyright 2013 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kie.aries.blueprint.namespace;
import org.apache.aries.blueprint.ParserContext;
import org.apache.aries.blueprint.mutable.MutableBeanMetadata;
import org.apache.aries.blueprint.mutable.MutablePassThroughMetadata;
import org.drools.core.util.StringUtils;
import org.kie.aries.blueprint.factorybeans.KBaseOptions;
import org.osgi.service.blueprint.reflect.BeanMetadata;
import org.osgi.service.blueprint.reflect.ComponentMetadata;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class KieBaseElementParser extends AbstractElementParser {
private static final String ATTRIBUTE_ID = "name";
private static final String ATTRIBUTE_PACKAGES = "packages";
private static final String ATTRIBUTE_INCLUDES = "includes";
private static final String ATTRIBUTE_EVENT_MODE = "eventProcessingMode";
private static final String ATTRIBUTE_EQUALS = "equalsBehavior";
private static final String ATTRIBUTE_DECLARATIVE_AGENDA = "declarativeAgenda";
private static final String ATTRIBUTE_SCOPE = "scope";
private static final String ATTRIBUTE_DEFAULT = "default";
@Override
public ComponentMetadata parseElement(ParserContext context, Element element) {
String id = getId(context, element);
String releaseIdRef = element.getAttribute("releaseId");
MutableBeanMetadata beanMetadata = (MutableBeanMetadata) context.createMetadata(BeanMetadata.class);
beanMetadata.setClassName("org.kie.aries.blueprint.factorybeans.KieObjectsFactoryBean");
beanMetadata.setFactoryMethod("fetchKBase");
beanMetadata.setId(id);
beanMetadata.addArgument(createValue(context, id),null,0);
if (!StringUtils.isEmpty(releaseIdRef)) {
beanMetadata.addArgument(createRef(context, releaseIdRef),null,1);
} else {
beanMetadata.addArgument(createNullMetadata(),null,1);
}
KBaseOptions kBaseOptionsAdaptor = new KBaseOptions();
kBaseOptionsAdaptor.setPackages(element.getAttribute(ATTRIBUTE_PACKAGES));
kBaseOptionsAdaptor.setIncludes(element.getAttribute(ATTRIBUTE_INCLUDES));
kBaseOptionsAdaptor.setEventProcessingMode(element.getAttribute(ATTRIBUTE_EVENT_MODE));
kBaseOptionsAdaptor.setEqualsBehavior(element.getAttribute(ATTRIBUTE_EQUALS));
kBaseOptionsAdaptor.setDeclarativeAgenda(element.getAttribute(ATTRIBUTE_DECLARATIVE_AGENDA));
kBaseOptionsAdaptor.setScope(element.getAttribute(ATTRIBUTE_SCOPE));
kBaseOptionsAdaptor.setDef(element.getAttribute(ATTRIBUTE_DEFAULT));
beanMetadata.setActivation(ComponentMetadata.ACTIVATION_LAZY);
MutablePassThroughMetadata passThroughMetadata = context.createMetadata(MutablePassThroughMetadata.class);
passThroughMetadata.setObject(kBaseOptionsAdaptor);
beanMetadata.addArgument(passThroughMetadata, null, 2);
String prefix = element.getPrefix();
NodeList ksessionNodeList = element.getElementsByTagName(prefix+":ksession");
if (ksessionNodeList != null) {
for (int i=0; i < ksessionNodeList.getLength(); i++){
Node ksessionNode = ksessionNodeList.item(i);
if (ksessionNode instanceof Element) {
Element ksessionElement = (Element) ksessionNode;
ksessionElement.setAttribute(KieSessionElementParser.ID_ATTRIBUTE, ksessionElement.getAttribute("name"));
ksessionElement.setAttribute(KieSessionElementParser.ATTRIBUTE_KBASE_REF, id);
context.getComponentDefinitionRegistry().registerComponentDefinition(new KieSessionElementParser().parseElement(context, ksessionElement));
}
}
}
return beanMetadata;
}
}